Increased risk for heart disease is associated with:
a. increased serum levels of HDL.
b. lowered blood levels of triglycerides.
c. elevated blood concentrations of LDL.
d. lesser concentration of serum cholesterol.
c
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Manganese is important for
A. antioxidant enzyme function. B. energy metabolism. C. bone health. D. All of these are functions of manganese.
Fluorosis creates teeth that are extremely resistant to caries but
A) susceptible to scurvy. B) susceptible to gum disease. C) this can be corrected by eating five servings of fruits and vegetables every day. D) cosmetically unappealing.
Which of the following describes spring water?
1.taken from protected underground reservoirs lodged between layers of rock 2.taken from freshwater springs that form pools or streams on the earth’s surface 3.naturally carbonated waters 4.tap water
Which of the following cell types is considered part of the specific immune response as opposed to the non-specific immune response?
a. PMNs b. Natural killer cells c. Macrophages d. B cells